基于计算机视觉识别的高模板支撑结构安全监控方法

Changzheng Chi, Bo Pang, Jiangtao REN, Yin Lu, Xianzhe Li, Mingfeng Huang
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引用次数: 0

摘要

:为确保高支模结构的施工安全,提出了一套基于计算机视觉和有限元技术的施工智能实时监测方法。根据高支模结构杆件布置的实际情况,建立了精细化的有限元模型,并进行了多种工况下的屈曲分析,得到了高支模结构屈曲破坏过程中关键节点的竖向位移,得出了施工智能实时监控的报警阈值。开发了基于计算机视觉的智能实时监测算法,实时监测高支模结构在施工过程中的位移变化,当发生不安全位移时,算法将自动报警并指导消除危险,保障施工安全。施工结束后,根据理论计算结果和实际测量结果,对有限元模型进行参数修正,并对修正后的有限元模型进行屈曲破坏分析,对比修正后的屈曲竖向位移大小和报警阈值,说明报警阈值的合理性。一个多用途建筑的高模板支撑结构项目的成功完成验证了本文提出的新施工监测方法的有效性。
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A Safety Monitoring Method for High-Formwork Support Structures Based on Computer Vision Recognition
: To ensure the construction safety of high-formwork support structures, a set of construction intelligent real-time monitoring method based on computer vision and finite element technology was proposed. A refined finite element model was established according to the real situation of the rods arrangement of the high-formwork support structure, and the buckling analysis was carried out under a variety of working conditions, so as to obtain the vertical displacement of the key joints during the buckling damage of the high-formwork support structure, and to obtain the alarm threshold value of the intelligent real-time monitoring of the construction. The intelligent real-time monitoring algorithm based on computer vision was developed to monitor the displacement changes of the high-formwork support structure in the construction process in real time, and the algorithm will automatically alarm and guide the elimination of dangers and the protection of construction safety when unsafe displacement occurs. After the construction, according to the theoretical calculation re-sults and the actual measurement results, the finite element model was corrected parametrically, and the corrected finite element model was subjected to buckling damage analysis, and the sizes of the corrected buck-ling vertical displacement and the alarm threshold were compared to illustrate the reasonableness of the alarm threshold. The successful completion of a high-formwork support structure project for a multi-use building verified the effectiveness of the new construction monitoring method proposed in the paper.
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